:root {
  --black: #050505;
  --text: rgba(242, 242, 236, 0.9);
  --text-dim: rgba(230, 230, 224, 0.34);
  --gold-soft: rgba(236, 206, 142, 0.88);
  --silver-soft: rgba(218, 223, 229, 0.88);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  min-height: 100%;
  background: var(--black);
  color: #fff;
}

body {
  font-family: "Montserrat", "Segoe UI", sans-serif;
  overflow-x: hidden;
}

body.lock-scroll {
  overflow: hidden;
}

.fade-black {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: #000;
  opacity: 1;
  pointer-events: none;
  transition: opacity 560ms ease;
}

body.ready .fade-black {
  opacity: 0;
}

body.is-transitioning .fade-black {
  opacity: 1;
  transition-duration: 420ms;
}

.scene-shell {
  position: relative;
  min-height: 100vh;
  background: var(--black);
}

.chorus-scene {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  padding-bottom: calc(142px + env(safe-area-inset-bottom, 0px));
  background:
    radial-gradient(circle at 26% 38%, rgba(240, 196, 109, 0.08), transparent 42%),
    radial-gradient(circle at 70% 62%, rgba(204, 210, 220, 0.08), transparent 44%),
    var(--black);
}

.vignette,
.grain,
.breath {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.vignette {
  background: radial-gradient(circle at center, transparent 40%, rgba(0, 0, 0, 0.84) 100%);
}

.grain {
  inset: -45%;
  opacity: 0.16;
  background-image: radial-gradient(rgba(255, 255, 255, 0.95) 0.45px, transparent 0.45px);
  background-size: 4px 4px;
  animation: grainMove 1.2s steps(2, end) infinite;
}

.breath {
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.055), transparent 56%);
  opacity: 0.28;
  animation: breathe 7.5s ease-in-out infinite;
}

.chorus-layer {
  position: absolute;
  inset: clamp(18px, 4vw, 44px);
  z-index: 3;
}

.chorus-line {
  position: absolute;
  margin: 0;
  max-width: min(66vw, 560px);
  line-height: 1.35;
  font-size: clamp(1rem, 1.35vw, 1.26rem);
  font-weight: 500;
  letter-spacing: 0.012em;
  color: var(--text);
  opacity: 0;
  filter: blur(1.8px);
  --entry-offset: 8px;
  --parallax-y: 0px;
  transform: translate3d(0, calc(var(--entry-offset) + var(--parallax-y)), 0);
  transition: opacity 980ms ease, filter 920ms ease, transform 980ms ease;
  will-change: transform, opacity;
}

.chorus-line.is-visible {
  opacity: 1;
  filter: blur(0);
  --entry-offset: 0px;
}

.chorus-line.tone-gold {
  color: var(--gold-soft);
}

.chorus-line.tone-silver {
  color: var(--silver-soft);
}

.chorus-scene.is-dimmed .chorus-line {
  opacity: var(--text-dim);
}

.final-line {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 6;
  width: min(90vw, 760px);
  margin: 0;
  padding: 14px 16px 16px;
  transform: translate(-50%, -50%) scale(0.985);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.46);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 980ms ease, transform 980ms ease;
}

.final-line.is-visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.final-line-text {
  font-family: "Cinzel", Georgia, serif;
  font-size: clamp(1.3rem, 3.6vw, 2.6rem);
  line-height: 1.2;
  color: #f7f2e1;
  letter-spacing: 0.03em;
  text-shadow:
    0 0 10px rgba(255, 255, 255, 0.28),
    0 0 24px rgba(244, 207, 137, 0.2);
}

.continue-cta {
  position: relative;
  z-index: 7;
  transform: translateY(10px);
  display: inline-block;
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid rgba(241, 225, 184, 0.56);
  background: rgba(0, 0, 0, 0.58);
  color: #f4edd8;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.68rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 380ms ease, transform 380ms ease, border-color 180ms ease, background-color 180ms ease;
}

.continue-cta.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.continue-cta:hover {
  border-color: rgba(248, 227, 173, 0.82);
  background: rgba(10, 10, 10, 0.72);
}

.continue-cta:focus-visible {
  outline: 2px solid rgba(255, 234, 184, 0.95);
  outline-offset: 3px;
  border-color: rgba(248, 227, 173, 0.82);
}

.cue-next {
  position: absolute;
  left: 50%;
  bottom: calc(164px + env(safe-area-inset-bottom, 0px));
  z-index: 10;
  transform: translateX(-50%);
  margin: 0;
  color: rgba(243, 243, 236, 0.9);
  font-size: 0.73rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(5px);
  opacity: 0;
  transition: opacity 520ms ease;
  pointer-events: none;
}

.cue-next.is-visible {
  opacity: 0.86;
  animation: cuePulse 2.6s ease-in-out infinite;
}


@keyframes grainMove {
  0% { transform: translate(0, 0); }
  25% { transform: translate(11%, -9%); }
  50% { transform: translate(-10%, 10%); }
  75% { transform: translate(8%, 6%); }
  100% { transform: translate(0, 0); }
}

@keyframes breathe {
  0%, 100% { opacity: 0.22; }
  50% { opacity: 0.34; }
}

@keyframes cuePulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

@media (max-width: 720px) {
  .chorus-layer {
    inset: 20px 20px calc(170px + env(safe-area-inset-bottom, 0px));
  }

  .chorus-line {
    max-width: 82vw;
    font-size: clamp(0.93rem, 3.8vw, 1.06rem);
    line-height: 1.32;
  }

  .final-line {
    width: 92vw;
    padding: 12px 12px 14px;
    gap: 10px;
  }

  .final-line-text {
    font-size: clamp(1.06rem, 7vw, 1.82rem);
  }

  .cue-next {
    top: max(14px, env(safe-area-inset-top, 0px));
    bottom: auto;
    font-size: 0.62rem;
    padding: 6px 12px;
  }

  .continue-cta {
    font-size: 0.62rem;
    padding: 8px 16px;
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.001ms !important;
  }

  .fade-black {
    display: none;
  }
}